#include<stdio.h>
#include<math.h>
main()
{ double y;
int x,m;
for(y=1;y>=-1;y-=0.1)
    {
    m=acos(y)*10;
    for(x=1;x<m;x++)printf(" ");
    printf("*");
    for(;x<62-m;x++)printf(" ");
    printf("*\n");
    }
    return 0;
}
